OpenTechnical

OT-2026-000033182

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033182) never changes.

Identity and time

Publication numberOT-2026-000033182 · never reused
Internal UUID01a0ae75-4844-7a84-8c78-6c1afd319771 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033182
StatusPUBLIC

Content hashes

Canonical textaa24a1fb8c23ae036e9aab11b3c775532057753df73b1c59febe8094dfeca724
Markdowna7a8b842d3f14984c4e2b8757c35f4499af3aac9cbaf7a7d1064462eace1b03c
PDF
Publication page3b7deb75aa430b4b08e1979f5e22ab1531c2fdd58d73b78e493c9976034eab76
Manifest3b7816d95a42fcff12f32080b72886b3e3dea8ecbfb0878bd20e0a20d0005476

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureE1SLEw5AvWJc5H2DiyNKGtuW4G1S+Jc5xEg9vH1jGnCvlyVEdhOkcYGc+AGwhZWrb6bt/H6x24NJ6Ln21fnFAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:52.583673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033182
observed 3b7deb75aa430b4b08e1979f5e22ab15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.567792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033182/manifest.json
observed 3b7816d95a42fcff12f32080b72886b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.550507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033182/publication.md
observed a7a8b842d3f14984c4e2b8757c35f449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.534184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033182/publication.txt
observed aa24a1fb8c23ae036e9aab11b3c77553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.